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-rw-r--r--drivers/vdpa/ifcvf/ifcvf_main.c142
1 files changed, 76 insertions, 66 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index e2e201885713..f9c0044c6442 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -752,59 +752,36 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
{
struct ifcvf_vdpa_mgmt_dev *ifcvf_mgmt_dev;
struct ifcvf_adapter *adapter;
+ struct vdpa_device *vdpa_dev;
struct pci_dev *pdev;
struct ifcvf_hw *vf;
- struct device *dev;
- int ret, i;
+ int ret;
ifcvf_mgmt_dev = container_of(mdev, struct ifcvf_vdpa_mgmt_dev, mdev);
- if (ifcvf_mgmt_dev->adapter)
+ if (!ifcvf_mgmt_dev->adapter)
return -EOPNOTSUPP;
- pdev = ifcvf_mgmt_dev->pdev;
- dev = &pdev->dev;
- adapter = vdpa_alloc_device(struct ifcvf_adapter, vdpa,
- dev, &ifc_vdpa_ops, 1, 1, name, false);
- if (IS_ERR(adapter)) {
- IFCVF_ERR(pdev, "Failed to allocate vDPA structure");
- return PTR_ERR(adapter);
- }
-
- ifcvf_mgmt_dev->adapter = adapter;
-
+ adapter = ifcvf_mgmt_dev->adapter;
vf = &adapter->vf;
- vf->dev_type = get_dev_type(pdev);
- vf->base = pcim_iomap_table(pdev);
+ pdev = adapter->pdev;
+ vdpa_dev = &adapter->vdpa;
- adapter->pdev = pdev;
- adapter->vdpa.dma_dev = &pdev->dev;
-
- ret = ifcvf_init_hw(vf, pdev);
- if (ret) {
- IFCVF_ERR(pdev, "Failed to init IFCVF hw\n");
- goto err;
- }
-
- for (i = 0; i < vf->nr_vring; i++)
- vf->vring[i].irq = -EINVAL;
-
- vf->hw_features = ifcvf_get_hw_features(vf);
- vf->config_size = ifcvf_get_config_size(vf);
+ if (name)
+ ret = dev_set_name(&vdpa_dev->dev, "%s", name);
+ else
+ ret = dev_set_name(&vdpa_dev->dev, "vdpa%u", vdpa_dev->index);
- adapter->vdpa.mdev = &ifcvf_mgmt_dev->mdev;
ret = _vdpa_register_device(&adapter->vdpa, vf->nr_vring);
if (ret) {
+ put_device(&adapter->vdpa.dev);
IFCVF_ERR(pdev, "Failed to register to vDPA bus");
- goto err;
+ return ret;
}
return 0;
-
-err:
- put_device(&adapter->vdpa.dev);
- return ret;
}
+
static void ifcvf_vdpa_dev_del(struct vdpa_mgmt_dev *mdev, struct vdpa_device *dev)
{
struct ifcvf_vdpa_mgmt_dev *ifcvf_mgmt_dev;
@@ -823,61 +800,94 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct ifcvf_vdpa_mgmt_dev *ifcvf_mgmt_dev;
struct device *dev = &pdev->dev;
+ struct ifcvf_adapter *adapter;
+ struct ifcvf_hw *vf;
u32 dev_type;
- int ret;
-
- ifcvf_mgmt_dev = kzalloc(sizeof(struct ifcvf_vdpa_mgmt_dev), GFP_KERNEL);
- if (!ifcvf_mgmt_dev) {
- IFCVF_ERR(pdev, "Failed to alloc memory for the vDPA management device\n");
- return -ENOMEM;
- }
-
- dev_type = get_dev_type(pdev);
- switch (dev_type) {
- case VIRTIO_ID_NET:
- ifcvf_mgmt_dev->mdev.id_table = id_table_net;
- break;
- case VIRTIO_ID_BLOCK:
- ifcvf_mgmt_dev->mdev.id_table = id_table_blk;
- break;
- default:
- IFCVF_ERR(pdev, "VIRTIO ID %u not supported\n", dev_type);
- ret = -EOPNOTSUPP;
- goto err;
- }
-
- ifcvf_mgmt_dev->mdev.ops = &ifcvf_vdpa_mgmt_dev_ops;
- ifcvf_mgmt_dev->mdev.device = dev;
- ifcvf_mgmt_dev->pdev = pdev;
+ int ret, i;
ret = pcim_enable_device(pdev);
if (ret) {
IFCVF_ERR(pdev, "Failed to enable device\n");
- goto err;
+ return ret;
}
-
ret = pcim_iomap_regions(pdev, BIT(0) | BIT(2) | BIT(4),
IFCVF_DRIVER_NAME);
if (ret) {
IFCVF_ERR(pdev, "Failed to request MMIO region\n");
- goto err;
+ return ret;
}
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
if (ret) {
IFCVF_ERR(pdev, "No usable DMA configuration\n");
- goto err;
+ return ret;
}
ret = devm_add_action_or_reset(dev, ifcvf_free_irq_vectors, pdev);
if (ret) {
IFCVF_ERR(pdev,
"Failed for adding devres for freeing irq vectors\n");
- goto err;
+ return ret;
}
pci_set_master(pdev);
+ adapter = vdpa_alloc_device(struct ifcvf_adapter, vdpa,
+ dev, &ifc_vdpa_ops, 1, 1, NULL, false);
+ if (IS_ERR(adapter)) {
+ IFCVF_ERR(pdev, "Failed to allocate vDPA structure");
+ return PTR_ERR(adapter);
+ }
+
+ vf = &adapter->vf;
+ vf->dev_type = get_dev_type(pdev);
+ vf->base = pcim_iomap_table(pdev);
+
+ adapter->pdev = pdev;
+ adapter->vdpa.dma_dev = &pdev->dev;
+
+ ret = ifcvf_init_hw(vf, pdev);
+ if (ret) {
+ IFCVF_ERR(pdev, "Failed to init IFCVF hw\n");
+ return ret;
+ }
+
+ for (i = 0; i < vf->nr_vring; i++)
+ vf->vring[i].irq = -EINVAL;
+
+ vf->hw_features = ifcvf_get_hw_features(vf);
+ vf->config_size = ifcvf_get_config_size(vf);
+
+ ifcvf_mgmt_dev = kzalloc(sizeof(struct ifcvf_vdpa_mgmt_dev), GFP_KERNEL);
+ if (!ifcvf_mgmt_dev) {
+ IFCVF_ERR(pdev, "Failed to alloc memory for the vDPA management device\n");
+ return -ENOMEM;
+ }
+
+ ifcvf_mgmt_dev->mdev.ops = &ifcvf_vdpa_mgmt_dev_ops;
+ ifcvf_mgmt_dev->mdev.device = dev;
+ ifcvf_mgmt_dev->adapter = adapter;
+
+ dev_type = get_dev_type(pdev);
+ switch (dev_type) {
+ case VIRTIO_ID_NET:
+ ifcvf_mgmt_dev->mdev.id_table = id_table_net;
+ break;
+ case VIRTIO_ID_BLOCK:
+ ifcvf_mgmt_dev->mdev.id_table = id_table_blk;
+ break;
+ default:
+ IFCVF_ERR(pdev, "VIRTIO ID %u not supported\n", dev_type);
+ ret = -EOPNOTSUPP;
+ goto err;
+ }
+
+ ifcvf_mgmt_dev->mdev.max_supported_vqs = vf->nr_vring;
+ ifcvf_mgmt_dev->mdev.supported_features = vf->hw_features;
+
+ adapter->vdpa.mdev = &ifcvf_mgmt_dev->mdev;
+
+
ret = vdpa_mgmtdev_register(&ifcvf_mgmt_dev->mdev);
if (ret) {
IFCVF_ERR(pdev,